Finding the Fourth Proportional to 2,609,649.99, 3,915,038.04 and 787,863.72
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Solution
The fourth proportional to 2,609,649.99, 3,915,038.04 and 787,863.72 is: 1,181,965.57
Step by Step Solution
- Step 1: Write the proportion equation
2,609,649.99 : 3,915,038.04 = 787,863.72 : x - Step 2: Convert to fraction form
2,609,649.99/3,915,038.04 = 787,863.72/x - Step 3: Cross multiply
2,609,649.99x = 3,915,038.04 × 787,863.72 - Step 4: Simplify right side
2,609,649.99x = 3,084,516,434,135.91 - Step 5: Solve for x
x = 3,084,516,434,135.91/2,609,649.99 - Step 6: Final answer
x = 1,181,965.57
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.